Home / 30,852.56-42,548.04-23,165.20

Finding the Fourth Proportional to 30,852.56, 42,548.04 and 23,165.20

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Solution

The fourth proportional to 30,852.56, 42,548.04 and 23,165.20 is: 31,946.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,852.56 : 42,548.04 = 23,165.20 : x
  2. Step 2: Convert to fraction form
    30,852.56/42,548.04 = 23,165.20/x
  3. Step 3: Cross multiply
    30,852.56x = 42,548.04 × 23,165.20
  4. Step 4: Simplify right side
    30,852.56x = 985,633,856.21
  5. Step 5: Solve for x
    x = 985,633,856.21/30,852.56
  6. Step 6: Final answer
    x = 31,946.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.